Hinge stop



April 20, 1965 H. M. WHITING INGE STOP Filed Dec. 2, 1963 w w w \\\v//Harris M. Whiting INVENTOR.

9 BY M Fig./

United States Patent 3,178,762 HINGE STOP Harris M. Whiting, 1044Harvard Ave, Claremont, Calif. Filed Dec. 2, 1963, Ser. No. 327,294 1Claim. (Cl. 16-491) The instant invention is generally concerned withhinge stops, and is more particularly directed toward a hinge stop ofthe type mounted, in an adjustable manner, directly upon one of thesleeve or barrel portions through which the hinge pin is extended.

It is a primary object of the instant invention to provide a sleeveportion mounted hinge stop which incorporates several significantfeatures productive of highly desirable results not obtainable in themore conventional type hinge stop.

In conjunction with the above object, it is an object of the instantinvention to provide a hinge stop which is infinitely variable between ahinge opening of approximately 90 and a hinge opening of approximately180.

Also in conjunction with the first-mentioned object, it is an intentionof the instant invention to provide a hinge stop wherein a gradualstopping of the hinge, as well as the door upon which it is mounted, iseffected so as to avoid any sudden jarring.

Further, it is an object of the instant invention to pro vide a hingestop wherein an adjustable means is incorporated so as to vary thedegree of frictional engagement of the movable hinge leaf relative tothe fixed hinge leaf thus adjusting the aforementioned gradual slowingdown of the door prior to its engagement with the abutment provided soas to limit the opening of the door.

Likewise, it is an object of the instant invention to provide a devicewhich is simple in construction, highly durable, and easily adapted tomost conventional hinges.

These together with other objects and advantages which will becomesubsequently apparent reside in the details of construction andoperation as more fully hereinafter described and claimed, referencebeing had to the accompanying drawings forming a part hereof, whereinlike numerals refer to like parts throughout, and in which:

FIGURE 1 is an elevational view of an open hinge with the stop of theinstant invention mounted thereon;

FIGURE 2 is an enlarged partial cross-sectional view taken substantiallyon a plane passing along line 22 in FIGURE 1 illustrating the mountingof the stop so as to enable an opening of the hinge to approximately180;

FIGURE 3 is a cross-sectional view similar to FIGURE 2, howeverillustrating the stop mounted so as to limit the opening toapproximately 90;

FIGURE 4 is a cross-sectional view similar to FIGURE 3 wherein the hingeis closed; and

FIGURE 5 is a perspective view of the stop member itself.

Referring now more specifically to the drawings, the reference numeralis used to generally designate the stop or stop member comprising theinstant invention. This stop member 10 is to be adjustably mounted onone of the cylindrical sleeve or barrel portions 12 fixed along theinner edge 14, and in fact in most cases integral therewith, of a hingeleaf 16, these sleeve portions 12 being intermeshed, in the mannerillustrated in FIGURE 1, for the reception of an elongated hinge pin 18therethrough.

The stop member 10 is preferably of a length slightly less than thelength of the sleeve portion 12 upon which it is to be mounted, and itis generally arcuate in cross section, the arcuity being greater than180, and preferably on the order of 245 thereby requiring that the stop10 he slid longitudinally on the sleeve portion 12 with lateral removalof the stop 10 being impossible.

The inner surface 20 of the stop member 10 conforms closely in shape tothe outer surface of the sleeve portion 12, that is, this surface 20 issubstantially cylindrical ex- 3,178,752 Patented Apr. 20, 1965 cept fora slight outward bend, indicated by reference numeral 22, so as toconform to the transistion point between the sleeve portion 12 and theleaf 16 when the stop is orientated so as to stop the hinge atapproximately as illustrated in FIGURE 2.

The stop member 10 is divided into two portions, a relatively narrowfront or approach portion 24 and a wider rear or mounting portion 26.The outer surface 28 of the approach portion 24, while also generallyarcuate in shape, diverges from the inner surface 20 from the extremeforward end 30 to an outwardly projecting shoulder or abutment 32located at approximately midpoint along the outer surface of the stop10, the outer surface of the rear portion 34 continuing from the outerextremity of the abutment 32 parallel to the inner surface. It isthrough this enlarged rear portion 26 that the mounting screw 36 isthreaded, this mounting screw 36 having a case hardened point 38 forbiting engagement into the subjacent sleeve portion so as to fixedlyposition the stop 10.

As will be appreciated from a comparison of FIGURE 4 with FIGURE 3,because of the diverging outer surface 28 of the approach portion 24, asthe movable hinge 16 is swung, the inner edge 14 gradually engages withthis outer surface 28 with the friction generated between the outersurface 28 and the inner edge 14 resulting in a slowing of this openingmovement so as to prevent an abrupt or hard stop as the hinge 16 engagesagainst the shoulder or abutment 32 thus eliminating any tendency forthe stop 10 to become jarred loose as well as eliminating those otherundesirable features normally associated with a door being abruptlybrought to a hard stop.

In regard to this frictional engagement of the inner edge 14 of themovable leaf 16, it will be noted that this diverging outer surface 28can be spaced closer to or further away from the sleeve portion 12through the use of the locking screw 36 inasmuch as a slight additionaltightening of the screw 36 after the point 38 is engaged, will result ina raising or flexing of the stop outwardly away from the sleeve portion12, this clearly being shown in FIGURES 2, 3 and 4. This ability to varythe degree of frictional engagement will, as will be appreciated,greatly extend the useful life of the stop member 10.

The foregoing is considered as illustrative only of the principles ofthe invention. Further, since numerous modifications and changes willreadily occur to those skilled in the art, it is not desired to limitthe invention to the exact construction and operation shown anddescribed, and accordingly all suitable modifications and equivalentsmay be resorted to, falling within the scope of the invention asclaimed.

What is claimed as new is as follows:

In combination with a door hinge including a pair of leaves, each leafincluding at least one sleeve portion on a first edge thereof, saidsleeve portions being alignable for the reception of a hinge pintheret-hrough so as to pivotally mount the leaves for movement between aclosed and open position, a stop member, said stop member being arcuatein shape and extending through an are greater than 180, the innersurface of said member conforming to and being received about the sleeveportion on a first one of the leaves, a shoulder projecting outwardlyfrom the outer surface of said member at an intermediate point thereonso as to provide an abutment against which the second of said leaves isto engage upon movement toward the aforementioned opened position, thatsection of the outer surface between the approach edge of the stopmember and the shoulder being arcuate and gradually diverging from theinner surface so as to form a means for effecting a gradual engaging ofthe first edge of the second leaf and a frictional restraining of theopening movement of the second leaf, and means for varying the degree.of frictionalengagement prior to' con- ReferencesCited'by the Examinertact of the second leaf with the abutment, said last- I mentioned meansalso being utilized for maintaining the a UNITED STATES PATENTS stopmember in a'predetermined rrotated p osition on its 616,253 12/9 Remboldsleeve-portionin accordance with the maximum degreeof 5 2 930 075 3 /6(),Dcutchman n aLv 5 opening-desired, said last-mentioned means consistingof 9 2,990,572 7/61 Schwartzberg V a setscrew threaded through the stopmember and into butting engagement with the, sleeveportion upon which'DONLEY J, STOCKING, Primary E i the stopmemberiismounted. v

